System of steam-heating.



H. K. & I. Z. KRIEBEL.

SYSTEM OF STEAM HEATING. APPLICATION FILED APR. 19, 1907.

Patented Aug. 30, 1910;

2 SHEETS-MEET 1;

H. K. & I. Z. KRIEBEL.

SYSTEM OF STEAM HEATING.

APPLICATION FILED APB.19, 1907.

Patented Aug. 30, 1910.

2 SHEETSSHEET 2.

sation to the boiler and retainiii UNITED STATES PATENT orricn.

HOSEA K. KRIE BEL AND IRWIN Z. KRIEBEL, OF PHILADELPHIA, PENNSYLVANIA.

SYSTEM OF STEAM-HEATING.

Application filed April 19, 1907. Serial No. 869,055.

To all whom it may concern:

Be it known that we, Hosna K. Kiunnnn and IRWIN Z. KRIEBEL, both citizens of the United States, and residents of Philadelphia,

in the county of Philadelphia and State of Pennsylvania, have jointly invented a certain new and usef' ul Improved System of Steam-Heating, of which the following is a specification.

This invention relates to steam heating systems and the principal objects are to provide sucha system in which ordinary air valves upon radiators are dispensed with and means provided for collecting and expelling air from the system at one place; to provide apparatus for preventing cooling of the system from outside influences and to make provision for maintaining a vacuum within the system by excluding therefrom atmospheric air; to provide apparatus for separating air and water of condensation from steam in the system, expelling air at one place and delivering Water of condensteam or vapor in the system; and to provide a series of check valves for the radiators to permit of the circulation of steam inone direction only and to prevent water of condensation remaining in the radiators.

Other objects will appear hereinafter.

. The invention stated in emoral terms comprises the improvements to be presently described and finally claimed.

The nature, characteristic features and scope of the invention will be more fully understood from the following description taken in connection with the accompanying drawings forming part hereof, and in which- Figure 1, is an elevational view of a system, of steam heating as installed in accordance with the invention. Fig. 2, is an enlarged view partly in elevation and partly in section ofa portion of the apparatus illustrated in Fig. 1. Fig. 3, is an end view thereof. Fig. 4, is a sectional view drawn to an enlarged scale of the separator shown in Fig. 1 and Figs. 5 and 6, are detail views of one of In the drawings there is shown a boiler a, having steam connections with radiators b, through the supply and return p'ipes c and d. These radiators have no air valves and the object thereof will appear hereinafter. In each return ipe d, in juxtaposition to the radiators and also in the pipe m, leading the check valves shown in Fig. 1..

to the boiler and hereinafter referred to, are check valves, see Figs. 5 and 6. These valves permit of the steam circulating in one direction only and in the case of the 0 pipe m, permit of water of. condensation flowing in one direction without back action from the boiler. The valves comprise a union elbow connection, of which the parts 6, are screwed into the radiators and the 5 parts a, are joined to the return pipes from the radiators. VVit-hin the elbow and between the beveled arts e and eithereof is fitted a remova lo and somewhat dishshaped member 6 having an opening therethrough provided with a pivotally arranged door or flap 6, that normally covers the opening. The member 6 is clamped between the parts e? and e and may be readily adjusted to accommodate various angles to which the elbow maybe placed by merely loosening the coupling e".

Located in the'return pipe in close proximit to the boiler is an air and water of con ensation se arator f. This separator may be of cylin rical form and is provided with a chamber that receives from the return pipes moisture from the system and conveys the same by means of the pipe 1, to

the boiler a. Penetrating the top of the 35 separator and extending into the same to a point above the level of the normal water line of the boiler is" a pipe f that leads to one end of an air and vacuum controller 9.

This controller 9, comprises a generally at elongated tube 9 preferably of brass, supported in a cast iron frame as by hangers 9 from any convenient place. One e d, of this tube 9 is clamped, as by means l st nuts and bolts to the frame 9 and the other end has screw threaded engagement with a hollow fitting h. Passin through the frame a 9. and, engaging the tu e. 9 adjacent the fitting h, is a thumb screw A, which may be ranged in alinement with the tube g and res is suitably acked in relation to the fitting h, to provi e a steam tight connection 79.

The outer end of the valve stem '5 of the valve' z, passes through the angular member i, that is carried by an angular extension of t frame 9 and at its extremity ma be provided with a nut is, forming an a ut- I the boiler through the pipe 12:.

ment against which a lever is, is adapted to abut. to provide means for dislodging dust and dirt. from between the valve 2', and its valve seat. i when the lever is reciprocated back and forth. In this connection the spring; interposed between a shoulder on the valve stem and an adjustn'ient nut Z1 having screw threaded engagement with the member j, serves to return and keep in proper position the valve i.

Depending from the fitting h, is a hollow casting l, having a Water of condensation passage Z therethrough eoi'nmunicat-ing with an air vent Z, The passage Z leads to the boiler (I, by means of the pipe m, and has interposed in said passage battle plates P, that serve to deflect moisture from the air passage. This casting Z, is provided with a pivotally arranged door or flap Z that normally rests over and closes the air pas sage The mode of operation of the above described, v t n1 may be described as follows: Assuming that the system cool and is about to be heated, steam traverses the supply pipes c, from the boiler a, to and through the radiators Z), causing to issue therefrom any air and water of condensation that may he present by way of the return pipcsd. Air and coiuiensation pass along together in advance of steam until the separator f, is reached whereupon air and steam escape through the controller coimeaions f and. water oil condensation passes through the pipe I, to the boiler. Passing to the air andfvaruuni controller g, air still passes along together with any (JUlltltbl'lSiltiUll piesrnl and is caused to pass through the valve opening, air passing 'out. by way of the air passage 1, and. condensation returning; to in this connection it will, beobservcd that itis unllUt'(.bt-itll' for am pressure to force air and (:UllllUUSFltltili liom the system, since said svsteni practically open to atmospheric air throturh the air yassagc Z and the slightest prt' sure abo e that of the atmosphere is sutlieirul to cause the liap Z, to move and thus ltllllillair to leave the system, and uli course the \Yllll'l' of condensate will readil gravitate to the boiler. its the in heats up thiinguinal with the lilllllj." /z, and close the spar lwtivoru the valve seat L2 and the valve (1 and ause the SYr-lcllt to he ain its full capacity ol' hm! by ci'mlining steam within tub.-v y. will gradually cxparul i ceases the system. It is to be noted that the controller tube 5 is of brass, which. readily expands, and is clamped at one end to a cast iron bracket 9, that does not expand as readily, the other end being screw threaded to the tilting 71 Y By this conslructimi it will be obvious that when the system cools oil the tube contracts sulliciently to provide an air space between the valve seat and the valve. The above described system in operation maintains therein a vacuum and in this respect the door or llap Z, prevents such vacuum from sucking atmospheric air into the apparatus through the passage F.

No do not intend by the use ol' the above language or words to limit our. invention further than the prior state of the art may require, but- .llaving thus described the nature and objects of our invention, What We claim as new and desire to secure by Letters Patent is:

In a vapor-vacuum heating system the combination ot a boiler, a radiator, supply and return pipes establishing a circuit be tween the boiler and radiator, a thermostatie device having an inlet port in communica tion with the return pipe, a discharge port, and a valve for said discharge port, said thern'iostatic device arranged above the water levelin said return pipe and acting in its expansion to automatically close sait valve for retaining, steam in the system, a water of condensation pipe leading from the discharge port of said thermostatic device to the boiler, an air vent arranged in. said latter pipe for tKClHtlil at all times at. nnispheric air from the system to term, a. vacuum therein said vent being free to oper ate at all times to permit H ss of air from the system but rctainiiiu' heat therein. and permitting water of minimisation to pass from said device to the boiler and a check valve opening toward the boiler located in said water of condensation pipe for preventing water in the boiler from escaping through said ai' vent when under pressure.

in testimony,whereof we have hereunto signed our names.

noses K. liRIEBEL. i'iuvru KRTEBEL.

Wit n:

J. JACKSON, M. G. EGAN. 

